Add glue for generic ehci/ohci bindings.
This commit is contained in:
jmcneill
parent
612ef4c93a
commit
7f75a995d0
|
|
@ -0,0 +1,170 @@
|
|||
/* $NetBSD: ehci_fdt.c,v 1.1 2017/06/29 17:04:53 jmcneill Exp $ */
|
||||
|
||||
/*-
|
||||
* Copyright (c) 2015-2017 Jared McNeill <jmcneill@invisible.ca>
|
||||
* All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
||||
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
||||
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
||||
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
||||
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
|
||||
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
|
||||
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
|
||||
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
||||
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
||||
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||||
* SUCH DAMAGE.
|
||||
*/
|
||||
|
||||
#include <sys/cdefs.h>
|
||||
__KERNEL_RCSID(0, "$NetBSD: ehci_fdt.c,v 1.1 2017/06/29 17:04:53 jmcneill Exp $");
|
||||
|
||||
#include <sys/param.h>
|
||||
#include <sys/bus.h>
|
||||
#include <sys/device.h>
|
||||
#include <sys/intr.h>
|
||||
#include <sys/systm.h>
|
||||
#include <sys/kernel.h>
|
||||
|
||||
#include <dev/usb/usb.h>
|
||||
#include <dev/usb/usbdi.h>
|
||||
#include <dev/usb/usbdivar.h>
|
||||
#include <dev/usb/usb_mem.h>
|
||||
#include <dev/usb/ehcireg.h>
|
||||
#include <dev/usb/ehcivar.h>
|
||||
|
||||
#include <dev/fdt/fdtvar.h>
|
||||
|
||||
static int ehci_fdt_match(device_t, cfdata_t, void *);
|
||||
static void ehci_fdt_attach(device_t, device_t, void *);
|
||||
|
||||
CFATTACH_DECL2_NEW(ehci_fdt, sizeof(struct ehci_softc),
|
||||
ehci_fdt_match, ehci_fdt_attach, NULL,
|
||||
ehci_activate, NULL, ehci_childdet);
|
||||
|
||||
static void
|
||||
ehci_fdt_find_companions(struct ehci_softc *sc)
|
||||
{
|
||||
const char * drivers[] = { "ohci", "uhci", NULL };
|
||||
device_t comp_dev;
|
||||
int unit, n;
|
||||
|
||||
/* XXX find an ohci or uhci with the same unit as us */
|
||||
unit = device_unit(sc->sc_dev);
|
||||
|
||||
for (n = 0; drivers[n] != NULL; n++) {
|
||||
comp_dev = device_find_by_driver_unit(drivers[n], unit);
|
||||
if (comp_dev != NULL)
|
||||
sc->sc_comps[sc->sc_ncomp++] = comp_dev;
|
||||
}
|
||||
}
|
||||
|
||||
static int
|
||||
ehci_fdt_match(device_t parent, cfdata_t cf, void *aux)
|
||||
{
|
||||
const char * const compatible[] = {
|
||||
"generic-ehci",
|
||||
NULL
|
||||
};
|
||||
struct fdt_attach_args * const faa = aux;
|
||||
|
||||
return of_match_compatible(faa->faa_phandle, compatible);
|
||||
}
|
||||
|
||||
static void
|
||||
ehci_fdt_attach(device_t parent, device_t self, void *aux)
|
||||
{
|
||||
struct ehci_softc * const sc = device_private(self);
|
||||
struct fdt_attach_args * const faa = aux;
|
||||
const int phandle = faa->faa_phandle;
|
||||
struct fdtbus_reset *rst;
|
||||
struct fdtbus_phy *phy;
|
||||
struct clk *clk;
|
||||
char intrstr[128];
|
||||
bus_addr_t addr;
|
||||
bus_size_t size;
|
||||
int error;
|
||||
void *ih;
|
||||
u_int n;
|
||||
|
||||
if (fdtbus_get_reg(phandle, 0, &addr, &size) != 0) {
|
||||
aprint_error(": couldn't get registers\n");
|
||||
return;
|
||||
}
|
||||
|
||||
/* Enable clocks */
|
||||
for (n = 0; (clk = fdtbus_clock_get_index(phandle, n)) != NULL; n++)
|
||||
if (clk_enable(clk) != 0) {
|
||||
aprint_error(": couldn't enable clock #%d\n", n);
|
||||
return;
|
||||
}
|
||||
/* De-assert resets */
|
||||
for (n = 0; (rst = fdtbus_reset_get_index(phandle, n)) != NULL; n++)
|
||||
if (fdtbus_reset_deassert(rst) != 0) {
|
||||
aprint_error(": couldn't de-assert reset #%d\n", n);
|
||||
return;
|
||||
}
|
||||
|
||||
/* Enable optional phy */
|
||||
phy = fdtbus_phy_get(phandle, "usb");
|
||||
if (phy && fdtbus_phy_enable(phy, true) != 0) {
|
||||
aprint_error(": couldn't enable phy\n");
|
||||
return;
|
||||
}
|
||||
|
||||
sc->sc_dev = self;
|
||||
sc->sc_bus.ub_hcpriv = sc;
|
||||
sc->sc_bus.ub_dmatag = faa->faa_dmat;
|
||||
sc->sc_bus.ub_revision = USBREV_2_0;
|
||||
if (of_hasprop(phandle, "has-transaction-translator"))
|
||||
sc->sc_flags |= EHCIF_ETTF;
|
||||
else
|
||||
ehci_fdt_find_companions(sc);
|
||||
sc->sc_id_vendor = 0;
|
||||
strlcpy(sc->sc_vendor, "Generic", sizeof(sc->sc_vendor));
|
||||
sc->sc_size = size;
|
||||
sc->iot = faa->faa_bst;
|
||||
if (bus_space_map(sc->iot, addr, size, 0, &sc->ioh) != 0) {
|
||||
aprint_error(": couldn't map registers\n");
|
||||
return;
|
||||
}
|
||||
|
||||
aprint_naive("\n");
|
||||
aprint_normal(": EHCI\n");
|
||||
|
||||
/* Disable interrupts */
|
||||
sc->sc_offs = EREAD1(sc, EHCI_CAPLENGTH);
|
||||
EOWRITE4(sc, EHCI_USBINTR, 0);
|
||||
|
||||
if (!fdtbus_intr_str(phandle, 0, intrstr, sizeof(intrstr))) {
|
||||
aprint_error_dev(self, "failed to decode interrupt\n");
|
||||
return;
|
||||
}
|
||||
|
||||
ih = fdtbus_intr_establish(phandle, 0, IPL_USB, FDT_INTR_MPSAFE,
|
||||
ehci_intr, sc);
|
||||
if (ih == NULL) {
|
||||
aprint_error_dev(self, "couldn't establish interrupt on %s\n",
|
||||
intrstr);
|
||||
return;
|
||||
}
|
||||
aprint_normal_dev(self, "interrupting on %s\n", intrstr);
|
||||
|
||||
error = ehci_init(sc);
|
||||
if (error) {
|
||||
aprint_error_dev(self, "init failed, error = %d\n", error);
|
||||
return;
|
||||
}
|
||||
|
||||
sc->sc_child = config_found(self, &sc->sc_bus, usbctlprint);
|
||||
}
|
||||
|
|
@ -0,0 +1,149 @@
|
|||
/* $NetBSD: ohci_fdt.c,v 1.1 2017/06/29 17:04:53 jmcneill Exp $ */
|
||||
|
||||
/*-
|
||||
* Copyright (c) 2015-2017 Jared McNeill <jmcneill@invisible.ca>
|
||||
* All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
||||
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
||||
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
||||
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
||||
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
|
||||
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
|
||||
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
|
||||
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
||||
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
||||
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||||
* SUCH DAMAGE.
|
||||
*/
|
||||
|
||||
#include <sys/cdefs.h>
|
||||
__KERNEL_RCSID(0, "$NetBSD: ohci_fdt.c,v 1.1 2017/06/29 17:04:53 jmcneill Exp $");
|
||||
|
||||
#include <sys/param.h>
|
||||
#include <sys/bus.h>
|
||||
#include <sys/device.h>
|
||||
#include <sys/intr.h>
|
||||
#include <sys/systm.h>
|
||||
#include <sys/kernel.h>
|
||||
|
||||
#include <dev/usb/usb.h>
|
||||
#include <dev/usb/usbdi.h>
|
||||
#include <dev/usb/usbdivar.h>
|
||||
#include <dev/usb/usb_mem.h>
|
||||
#include <dev/usb/ohcireg.h>
|
||||
#include <dev/usb/ohcivar.h>
|
||||
|
||||
#include <dev/fdt/fdtvar.h>
|
||||
|
||||
static int ohci_fdt_match(device_t, cfdata_t, void *);
|
||||
static void ohci_fdt_attach(device_t, device_t, void *);
|
||||
|
||||
CFATTACH_DECL2_NEW(ohci_fdt, sizeof(struct ohci_softc),
|
||||
ohci_fdt_match, ohci_fdt_attach, NULL,
|
||||
ohci_activate, NULL, ohci_childdet);
|
||||
|
||||
static int
|
||||
ohci_fdt_match(device_t parent, cfdata_t cf, void *aux)
|
||||
{
|
||||
const char * const compatible[] = {
|
||||
"generic-ohci",
|
||||
NULL
|
||||
};
|
||||
struct fdt_attach_args * const faa = aux;
|
||||
|
||||
return of_match_compatible(faa->faa_phandle, compatible);
|
||||
}
|
||||
|
||||
static void
|
||||
ohci_fdt_attach(device_t parent, device_t self, void *aux)
|
||||
{
|
||||
struct ohci_softc * const sc = device_private(self);
|
||||
struct fdt_attach_args * const faa = aux;
|
||||
const int phandle = faa->faa_phandle;
|
||||
struct fdtbus_reset *rst;
|
||||
struct fdtbus_phy *phy;
|
||||
struct clk *clk;
|
||||
char intrstr[128];
|
||||
bus_addr_t addr;
|
||||
bus_size_t size;
|
||||
int error;
|
||||
void *ih;
|
||||
u_int n;
|
||||
|
||||
if (fdtbus_get_reg(phandle, 0, &addr, &size) != 0) {
|
||||
aprint_error(": couldn't get registers\n");
|
||||
return;
|
||||
}
|
||||
|
||||
/* Enable clocks */
|
||||
for (n = 0; (clk = fdtbus_clock_get_index(phandle, n)) != NULL; n++)
|
||||
if (clk_enable(clk) != 0) {
|
||||
aprint_error(": couldn't enable clock #%d\n", n);
|
||||
return;
|
||||
}
|
||||
/* De-assert resets */
|
||||
for (n = 0; (rst = fdtbus_reset_get_index(phandle, n)) != NULL; n++)
|
||||
if (fdtbus_reset_deassert(rst) != 0) {
|
||||
aprint_error(": couldn't de-assert reset #%d\n", n);
|
||||
return;
|
||||
}
|
||||
|
||||
/* Enable optional phy */
|
||||
phy = fdtbus_phy_get(phandle, "usb");
|
||||
if (phy && fdtbus_phy_enable(phy, true) != 0) {
|
||||
aprint_error(": couldn't enable phy\n");
|
||||
return;
|
||||
}
|
||||
|
||||
sc->sc_dev = self;
|
||||
sc->sc_bus.ub_hcpriv = sc;
|
||||
sc->sc_bus.ub_dmatag = faa->faa_dmat;
|
||||
sc->sc_flags = 0;
|
||||
sc->sc_id_vendor = 0;
|
||||
strlcpy(sc->sc_vendor, "Generic", sizeof(sc->sc_vendor));
|
||||
sc->sc_size = size;
|
||||
sc->iot = faa->faa_bst;
|
||||
if (bus_space_map(sc->iot, addr, size, 0, &sc->ioh) != 0) {
|
||||
aprint_error(": couldn't map registers\n");
|
||||
return;
|
||||
}
|
||||
|
||||
aprint_naive("\n");
|
||||
aprint_normal(": OHCI\n");
|
||||
|
||||
/* Disable interrupts */
|
||||
bus_space_write_4(sc->iot, sc->ioh, OHCI_INTERRUPT_DISABLE,
|
||||
OHCI_ALL_INTRS);
|
||||
|
||||
if (!fdtbus_intr_str(phandle, 0, intrstr, sizeof(intrstr))) {
|
||||
aprint_error_dev(self, "failed to decode interrupt\n");
|
||||
return;
|
||||
}
|
||||
|
||||
ih = fdtbus_intr_establish(phandle, 0, IPL_USB, FDT_INTR_MPSAFE,
|
||||
ohci_intr, sc);
|
||||
if (ih == NULL) {
|
||||
aprint_error_dev(self, "couldn't establish interrupt on %s\n",
|
||||
intrstr);
|
||||
return;
|
||||
}
|
||||
aprint_normal_dev(self, "interrupting on %s\n", intrstr);
|
||||
|
||||
error = ohci_init(sc);
|
||||
if (error) {
|
||||
aprint_error_dev(self, "init failed, error = %d\n", error);
|
||||
return;
|
||||
}
|
||||
|
||||
sc->sc_child = config_found(self, &sc->sc_bus, usbctlprint);
|
||||
}
|
||||
Loading…
Reference in New Issue